1. to appear in physical form; to become visible or real
Usage: present participle of materialise; British spelling
2. to happen or come about; to become actual fact
Usage: present participle of materialise; British spelling

Examples

• The ghost was materialising slowly in the corner of the room.
• Her dreams of becoming a doctor are finally materialising.
• The promised funding never ended up materialising.
• Strange shapes kept materialising in the fog.
• His plans for expansion are materialising ahead of schedule.
• The witness claimed to see a figure materialising near the old building.